freefoam-tetgenToFoam — Converts .ele and .node and .face files, written by tetgen.
freefoam tetgenToFoam <file prefix> [-help] [-srcDoc] [-noFaceFile] [-doc] [-parallel] [-case <dir>]
Make sure to use add boundary attributes to the smesh file (5 fifth column in the element section) and run tetgen with -f option.
Sample smesh file:
# cube.smesh -- A 10x10x10 cube 8 3 1 0 0 0 2 0 10 0 3 10 10 0 4 10 0 0 5 0 0 10 6 0 10 10 7 10 10 10 8 10 0 10 6 1 # 1 for boundary info present 4 1 2 3 4 11 # region number 11 4 5 6 7 8 21 # region number 21 4 1 2 6 5 3 4 4 3 7 8 43 4 1 5 8 4 5 4 2 6 7 3 65 0 0
NOTE: - for some reason boundary faces point inwards. I just reverse them always. Might use some geometric check instead. - marked faces might not actually be boundary faces of mesh. This is hopefully handled now by first constructing without boundaries and then reconstructing with boundary faces.